Features: High Durable Materials 12305l: Made from HSS 4341 35;, hardness is 62-63HRC, toughness stronger than ordinary steel. Ensure high quality, durable and stable High Efficiency Product for you. Use Set 12305;: The 5-piece (35;1, 35;2, 35;3, 354, 35;2) extractor set screw (extra 35;2 for back-up) can work with any drill and any size of the screw or screw. It is compatible with several types of screws. Easy To Use *12305;: The extractor set screw is easy to extract the rusted, free-spinni